Quite good looking graph derived from d3.js http://c3js.org
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})}},e.selected=function(a){var b=this.internal,c=b.d3;return c.merge(b.main.selectAll("."+i.shapes+b.getTargetSelectorSuffix(a)).selectAll("."+i.shape).filter(function(){return c.select(this).classed(i.SELECTED)}).map(function(a){return a.map(function(a){var b=a.__data__;return b.data?b.data:b})}))},e.select=function(a,b,c){var d=this.internal,e=d.d3,f=d.config;f.data_selection_enabled&&d.main.selectAll("."+i.shapes).selectAll("."+i.shape).each(function(g,h){var j=e.select(this),k=g.data?g.data.id:g.id,l=d.getToggle(this,g).bind(d),m=f.data_selection_grouped||!a||a.indexOf(k)>=0,o=!b||b.indexOf(h)>=0,p=j.classed(i.SELECTED);j.classed(i.line)||j.classed(i.area)||(m&&o?f.data_selection_isselectable(g)&&!p&&l(!0,j.classed(i.SELECTED,!0),g,h):n(c)&&c&&p&&l(!1,j.classed(i.SELECTED,!1),g,h))})},e.unselect=function(a,b){var c=this.internal,d=c.d3,e=c.config;e.data_selection_enabled&&c.main.selectAll("."+i.shapes).selectAll("."+i.shape).each(function(f,g){var h=d.select(this),j=f.data?f.data.id:f.id,k=c.getToggle(this,f).bind(c),l=e.data_selection_grouped||!a||a.indexOf(j)>=0,m=!b||b.indexOf(g)>=0,n=h.classed(i.SELECTED);h.classed(i.line)||h.classed(i.area)||l&&m&&e.data_selection_isselectable(f)&&n&&k(!1,h.classed(i.SELECTED,!1),f,g)})},e.transform=function(a,b){var c=this.internal,d=["pie","donut"].indexOf(a)>=0?{withTransform:!0}:null;c.transformTo(b,a,d)},f.transformTo=function(a,b,c){var d=this,e=!d.hasArcType(),f=c||{withTransitionForAxis:e};f.withTransitionForTransform=!1,d.transiting=!1,d.setTargetType(a,b),d.updateTargets(d.data.targets),d.updateAndRedraw(f)},e.groups=function(a){var b=this.internal,c=b.config;return m(a)?c.data_groups:(c.data_groups=a,b.redraw(),c.data_groups)},e.xgrids=function(a){var b=this.internal,c=b.config;return a?(c.grid_x_lines=a,b.redrawWithoutRescale(),c.grid_x_lines):c.grid_x_lines},e.xgrids.add=function(a){var b=this.internal;return this.xgrids(b.config.grid_x_lines.concat(a?a:[]))},e.xgrids.remove=function(a){var b=this.internal;b.removeGridLines(a,!0)},e.ygrids=function(a){var b=this.internal,c=b.config;return a?(c.grid_y_lines=a,b.redrawWithoutRescale(),c.grid_y_lines):c.grid_y_lines},e.ygrids.add=function(a){var b=this.internal;return this.ygrids(b.config.grid_y_lines.concat(a?a:[]))},e.ygrids.remove=function(a){var b=this.internal;b.removeGridLines(a,!1)},e.regions=function(a){var b=this.internal,c=b.config;return a?(c.regions=a,b.redrawWithoutRescale(),c.regions):c.regions},e.regions.add=function(a){var b=this.internal,c=b.config;return a?(c.regions=c.regions.concat(a),b.redrawWithoutRescale(),c.regions):c.regions},e.regions.remove=function(a){var b,c,d,e=this.internal,f=e.config;return a=a||{},b=e.getOption(a,"duration",f.transition_duration),c=e.getOption(a,"classes",[i.region]),d=e.main.select("."+i.regions).selectAll(c.map(function(a){return"."+a})),(b?d.transition().duration(b):d).style("opacity",0).remove(),f.regions=f.regions.filter(function(a){var b=!1;return a["class"]?(a["class"].split(" ").forEach(function(a){c.indexOf(a)>=0&&(b=!0)}),!b):!0}),f.regions},e.data=function(a){var b=this.internal.data.targets;return"undefined"==typeof a?b:b.filter(function(b){return[].concat(a).indexOf(b.id)>=0})},e.data.shown=function(a){return this.internal.filterTargetsToShow(this.data(a))},e.data.values=function(a){var b,c=null;return a&&(b=this.data(a),c=b[0]?b[0].values.map(function(a){return a.value}):null),c},e.data.names=function(a){return this.internal.clearLegendItemTextBoxCache(),this.internal.updateDataAttributes("names",a)},e.data.colors=function(a){return this.internal.updateDataAttributes("colors",a)},e.data.axes=function(a){return this.internal.updateDataAttributes("axes",a)},e.category=function(a,b){var c=this.internal,d=c.config;return arguments.length>1&&(d.axis_x_categories[a]=b,c.redraw()),d.axis_x_categories[a]},e.categories=function(a){var b=this.internal,c=b.config;return arguments.length?(c.axis_x_categories=a,b.redraw(),c.axis_x_categories):c.axis_x_categories},e.color=function(a){var b=this.internal;return b.color(a)},e.x=function(a){var b=this.internal;return arg